US 12,446,079 B2
Methods to establish a protocol data unit session
Hao Zhang, Shanghai (CN); Wei He, Shanghai (CN); Chaofeng Hui, Beijing (CN); Jian Li, Shanghai (CN); Fojian Zhang, Shenzhen (CN); Tianya Lin, Shanghai (CN); Jing Zhou, Shanghai (CN); Yuankun Zhu, Shanghai (CN); and Yi Liu, Shenzhen (CN)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Appl. No. 17/997,357
Filed by QUALCOMM Incorporated, San Diego, CA (US)
PCT Filed May 28, 2020, PCT No. PCT/CN2020/092930
§ 371(c)(1), (2) Date Oct. 27, 2022,
PCT Pub. No. WO2021/237572, PCT Pub. Date Dec. 2, 2021.
Prior Publication US 2023/0180309 A1, Jun. 8, 2023
Int. Cl. H04W 76/10 (2018.01); H04W 8/18 (2009.01); H04W 40/24 (2009.01); H04W 48/18 (2009.01); H04W 88/06 (2009.01)
CPC H04W 76/10 (2018.02) [H04W 40/248 (2013.01); H04W 48/18 (2013.01); H04W 8/183 (2013.01); H04W 88/06 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A method for wireless communication at a user equipment (UE), comprising:
identifying that the UE is operating in a dual-subscription mode that includes a first subscription and a second subscription and that the UE includes an application that is requesting to establish a data connection in accordance with an access preference rule for the application;
determining that the access preference rule lacks a match among policies of a first route selection policy associated with the first subscription;
evaluating, based at least in part on the lack of the match among policies of the first route selection policy, a second route selection policy associated with the second subscription for a matching policy that matches the access preference rule;
determining that the second route selection policy comprises the matching policy that matches the access preference rule based at least in part on the evaluating, wherein the data connection is established via the second subscription based at least in part on the second route selection policy comprising the matching policy;
updating a default subscription of the UE from the first subscription to the second subscription based at least in part on the second route selection policy comprising the matching policy; and
establishing the data connection after evaluating the second route selection policy.